{Turnip flea} (Zo["o]l.), a small flea-beetle ({Haltica,
striolata} syn. {Phyllotreta striolata}), which feeds upon
the turnip, and often seriously injures it. It is black
with a stripe of yellow on each elytron. The name is also
applied to several other small insects which are injurious
to turnips. See Illust. under {Flea-beetle}.

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Brassica campestris — Brassica Bras si*ca, prop. n. [L., cabbage.] (Bot.) A genus of plants embracing several species and varieties differing much in appearance and qualities: such as the common cabbage ({Brassica oleracea}), broccoli, cauliflowers, etc.; the wild… … The Collaborative International Dictionary of English

Brassica campestris — Rape Rape, n. [L. rapa, rapum, akin to Gr. ra pys, ra fys, G. r[ u]be.] (Bot.) A name given to a variety or to varieties of a plant of the turnip kind, grown for seeds and herbage. The seeds are used for the production of rape oil, and to a… … The Collaborative International Dictionary of English